Headline Numbers

As of the latest CDC data release on August 01, 2020 there are:

Where I live, in Somerville, MA, as of July 29, 2020 there are:

Consequently, in the United States, there are now:

Globally, as of the latest WHO data release on August 02, 2020, there are:

Overall Covid Cases In The USA

Regions are defined as follows: Northeast (CT, ME, MA, NH, RI, VT, NJ, NY, PA), Midwest (IN, IL, MI, OH, WI, IA, KS, MN, MO, NE, ND, SD), South (AL, AR, DC, DE, FL, GA, KY, LA, MD, MS, NC, OK, SC, TN, TX, VA, WV) and West (AZ, CO, ID, NM, MT, UT, NV, WY, AK, CA, HI, OR, WA). The red line denotes the date that Health and Human Services (HHS) took over the production of data from the Center for Disease Control (CDC) on July 20, 2020.1

US Cases Compared to World Cases

Covid Cases in Somerville, MA and MA

Latest Cases in Boston Area (Today, One Week Ago, Two Weeks Ago)

Date County Name Cases Deaths New Cases New Deaths
August 01, 2020 Middlesex County 25801 1983 95 5
July 25, 2020 Middlesex County 25250 1955 60 0
July 18, 2020 Middlesex County 24809 1944 71 6
August 01, 2020 Norfolk County 10305 986 69 2
July 25, 2020 Norfolk County 9934 976 39 0
July 18, 2020 Norfolk County 9658 966 46 3
August 01, 2020 Suffolk County 21279 1057 57 2
July 25, 2020 Suffolk County 20827 1046 34 0
July 18, 2020 Suffolk County 20555 1035 56 5

New Covid Cases By State

The plot below shows the number of new COVID cases by state. Note that each figure has its own y axis; this is done so that trends can be seen within each state. Log scales can make the difference between 100 and 1000 cases hard to discern and a common y axis causes states like NY and CA to swamp states like NC. Negative new cases can occur when States revise their total number of cases downwards, as Hawaii did between June 30, 2020 and July 1, 2020.

COVID Cases per 1,000 Residents by State

This figure shows the number of COVID cases per 1,000.

Latest County Case Map

Latest County Death Map

Counties with the Most Cases Over Time

Date State County Name Cases Deaths
2020-08-01 CA Los Angeles County 190693 4669
2020-08-01 FL Miami-Dade County 121207 1647
2020-08-01 AZ Maricopa County 119295 2089
2020-08-01 IL Cook County 106131 4888
2020-08-01 TX Harris County 72964 1288
2020-07-01 CA Los Angeles County 105507 3402
2020-07-01 IL Cook County 90911 4581
2020-07-01 NY Queens County 65455 7059
2020-07-01 NY Kings County 59742 7104
2020-07-01 AZ Maricopa County 52266 817
2020-06-01 IL Cook County 78495 3658
2020-06-01 NY Queens County 62094 6271
2020-06-01 NY Kings County 56053 6742
2020-06-01 CA Los Angeles County 55968 2362
2020-06-01 NY Bronx County 45359 4480

Hospitalizations By State

Patients Currently in the ICU

Patients Currently on Ventilators

Cumulative Cases by County in the Northeast

Cumulative Cases by State Over Time

Cumulative Deaths by State Over Time

Daily Percent Positive Cases

According to the WHO the positive rate should be below 5%.2 Days above the threshold are denoted in red, days below are in blue. Note that the variables currently used for these plots –positiveIncrease and negativeIncrease– are being phased out and will be replaced by positiveCasesViral and negativeCasesViral. Each dot represents the rolling average of tests within the previous week (this approach smoothes out trends such as fewer cases being reported on weekends).

Partisanship and COVID Cases

Variants of Select Figures

Week to Week Changes in COVID Cases

Confirmed Cases as a Percentage of State Population

The two sets of points are confirmed cases (black), and potential cases (grey) which are confirmed cases times ten. For herd immunity, typically 70-90% of a population needs immunity.3

  1. See e.g., https://www.cnbc.com/2020/07/20/hhs-unveils-new-coronavirus-hospitalization-database-says-its-more-complete-than-cdcs.html↩

  2. https://coronavirus.jhu.edu/testing/tracker/overview↩

  3. See https://www.jhsph.edu/covid-19/articles/achieving-herd-immunity-with-covid19.html↩